Home / 664,233.40-996,107.10-215,072.20

Finding the Fourth Proportional to 664,233.40, 996,107.10 and 215,072.20

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Solution

The fourth proportional to 664,233.40, 996,107.10 and 215,072.20 is: 322,529.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,233.40 : 996,107.10 = 215,072.20 : x
  2. Step 2: Convert to fraction form
    664,233.40/996,107.10 = 215,072.20/x
  3. Step 3: Cross multiply
    664,233.40x = 996,107.10 × 215,072.20
  4. Step 4: Simplify right side
    664,233.40x = 214,234,945,432.62
  5. Step 5: Solve for x
    x = 214,234,945,432.62/664,233.40
  6. Step 6: Final answer
    x = 322,529.62

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.